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Diffstat (limited to 'src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs')
-rw-r--r--src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
new file mode 100644
index 00000000000..429f8e0bc96
--- /dev/null
+++ b/src/test/ui/iterators/iter-sum-overflow-overflow-checks.rs
@@ -0,0 +1,27 @@
+// run-pass
+// ignore-wasm32-bare compiled with panic=abort by default
+// compile-flags: -C overflow-checks
+
+use std::panic;
+
+fn main() {
+    let r = panic::catch_unwind(|| {
+        [1, i32::max_value()].iter().sum::<i32>();
+    });
+    assert!(r.is_err());
+
+    let r = panic::catch_unwind(|| {
+        [2, i32::max_value()].iter().product::<i32>();
+    });
+    assert!(r.is_err());
+
+    let r = panic::catch_unwind(|| {
+        [1, i32::max_value()].iter().cloned().sum::<i32>();
+    });
+    assert!(r.is_err());
+
+    let r = panic::catch_unwind(|| {
+        [2, i32::max_value()].iter().cloned().product::<i32>();
+    });
+    assert!(r.is_err());
+}